package org.owasp.webgoat.lessons.RoleBasedAccessControl;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import org.owasp.webgoat.lessons.AbstractLesson;
import org.owasp.webgoat.lessons.DefaultLessonAction;
import org.owasp.webgoat.session.Employee;
import org.owasp.webgoat.session.ParameterNotFoundException;
import org.owasp.webgoat.session.UnauthenticatedException;
import org.owasp.webgoat.session.UnauthorizedException;
import org.owasp.webgoat.session.WebSession;

/*******************************************************************************
 * 
 * 
 * This file is part of WebGoat, an Open Web Application Security Project
 * utility. For details, please see http://www.owasp.org/
 * 
 * Copyright (c) 2002 - 2007 Bruce Mayhew
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA.
 * 
 * Getting Source ==============
 * 
 * Source for this application is maintained at code.google.com, a repository
 * for free software projects.
 * 
 * For details, please see http://code.google.com/p/webgoat/
 */
public class EditProfile extends DefaultLessonAction
{

    public EditProfile(AbstractLesson lesson, String lessonName,
	    String actionName)
    {
	super(lesson, lessonName, actionName);
    }


    public void handleRequest(WebSession s) throws ParameterNotFoundException,
	    UnauthenticatedException, UnauthorizedException
    {
	getLesson().setCurrentAction(s, getActionName());

	if (isAuthenticated(s))
	{
	    int userId = getUserId(s);
	    int employeeId = s.getParser().getIntParameter(
		    RoleBasedAccessControl.EMPLOYEE_ID);

	    Employee employee = getEmployeeProfile(s, userId, employeeId);
	    setSessionAttribute(s, getLessonName() + "."
		    + RoleBasedAccessControl.EMPLOYEE_ATTRIBUTE_KEY, employee);
	}
	else
	    throw new UnauthenticatedException();
    }


    public String getNextPage(WebSession s)
    {
	return RoleBasedAccessControl.EDITPROFILE_ACTION;
    }


    public Employee getEmployeeProfile(WebSession s, int userId,
	    int subjectUserId) throws UnauthorizedException
    {
	Employee profile = null;

	// Query the database for the profile data of the given employee
	try
	{
	    String query = "SELECT * FROM employee WHERE userid = ?";

	    try
	    {
		PreparedStatement answer_statement = WebSession
			.getConnection(s).prepareStatement(query,
				ResultSet.TYPE_SCROLL_INSENSITIVE,
				ResultSet.CONCUR_READ_ONLY);
		answer_statement.setInt(1, subjectUserId);
		ResultSet answer_results = answer_statement.executeQuery();
		if (answer_results.next())
		{
		    // Note: Do NOT get the password field.
		    profile = new Employee(answer_results.getInt("userid"),
			    answer_results.getString("first_name"),
			    answer_results.getString("last_name"),
			    answer_results.getString("ssn"), answer_results
				    .getString("title"), answer_results
				    .getString("phone"), answer_results
				    .getString("address1"), answer_results
				    .getString("address2"), answer_results
				    .getInt("manager"), answer_results
				    .getString("start_date"), answer_results
				    .getInt("salary"), answer_results
				    .getString("ccn"), answer_results
				    .getInt("ccn_limit"), answer_results
				    .getString("disciplined_date"),
			    answer_results.getString("disciplined_notes"),
			    answer_results.getString("personal_description"));
		    /*					System.out.println("Retrieved employee from db: " + 
		     profile.getFirstName() + " " + profile.getLastName() + 
		     " (" + profile.getId() + ")");
		     */}
	    }
	    catch (SQLException sqle)
	    {
		s.setMessage("Error getting employee profile");
		sqle.printStackTrace();
	    }
	}
	catch (Exception e)
	{
	    s.setMessage("Error getting employee profile");
	    e.printStackTrace();
	}

	return profile;
    }


    public Employee getEmployeeProfile_BACKUP(WebSession s, int userId,
	    int subjectUserId) throws UnauthorizedException
    {
	// Query the database to determine if this employee has access to this function
	// Query the database for the profile data of the given employee if "owned" by the given user

	Employee profile = null;

	// Query the database for the profile data of the given employee
	try
	{
	    String query = "SELECT * FROM employee WHERE userid = ?";

	    try
	    {
		PreparedStatement answer_statement = WebSession
			.getConnection(s).prepareStatement(query,
				ResultSet.TYPE_SCROLL_INSENSITIVE,
				ResultSet.CONCUR_READ_ONLY);
		answer_statement.setInt(1, subjectUserId);
		ResultSet answer_results = answer_statement.executeQuery();
		if (answer_results.next())
		{
		    // Note: Do NOT get the password field.
		    profile = new Employee(answer_results.getInt("userid"),
			    answer_results.getString("first_name"),
			    answer_results.getString("last_name"),
			    answer_results.getString("ssn"), answer_results
				    .getString("title"), answer_results
				    .getString("phone"), answer_results
				    .getString("address1"), answer_results
				    .getString("address2"), answer_results
				    .getInt("manager"), answer_results
				    .getString("start_date"), answer_results
				    .getInt("salary"), answer_results
				    .getString("ccn"), answer_results
				    .getInt("ccn_limit"), answer_results
				    .getString("disciplined_date"),
			    answer_results.getString("disciplined_notes"),
			    answer_results.getString("personal_description"));
		    /*					System.out.println("Retrieved employee from db: " + 
		     profile.getFirstName() + " " + profile.getLastName() + 
		     " (" + profile.getId() + ")");
		     */}
	    }
	    catch (SQLException sqle)
	    {
		s.setMessage("Error getting employee profile");
		sqle.printStackTrace();
	    }
	}
	catch (Exception e)
	{
	    s.setMessage("Error getting employee profile");
	    e.printStackTrace();
	}

	return profile;
    }

}
